Acta Cryst. (2012). E68, m1024
[ doi:10.1107/S1600536812029546 ]

Poly[tetraaquabis(₄-thiophene-2,5-dicarboxylato)(₂-thiophene-2,5-dicarboxylato)dieuropium(III)]

X.-G. Du, J. Zhang and J.-J. Li

Key indicators

• Single-crystal X-ray study
• T = 295 K
• Mean (C-C) = 0.008 Å
• R factor = 0.035
• wR factor = 0.090
• Data-to-parameter ratio = 14.6

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT342_ALERT_3_C Low Bond Precision on  C-C Bonds ...............     0.0081 Ang  
PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) .....          2      
PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L=  0.600         28      
PLAT912_ALERT_4_C Missing # of FCF Reflections Above STh/L=  0.600          2      
PLAT975_ALERT_2_C Positive Residual Density at 0.52A from O8     .       0.67 eA-3 
PLAT975_ALERT_2_C Positive Residual Density at 0.97A from O8     .       0.58 eA-3 
PLAT975_ALERT_2_C Positive Residual Density at 0.75A from O4     .       0.58 eA-3 
PLAT975_ALERT_2_C Positive Residual Density at 0.89A from O5     .       0.58 eA-3 
PLAT975_ALERT_2_C Positive Residual Density at 0.93A from O5     .       0.58 eA-3 
PLAT976_ALERT_2_C Negative Residual Density at 1.06A from O7     .      -0.70 eA-3 
PLAT976_ALERT_2_C Negative Residual Density at 1.04A from O5     .      -0.68 eA-3 

Alert level G
PLAT004_ALERT_5_G Info: Polymeric Structure Found with Dimension .          3      
PLAT005_ALERT_5_G No _iucr_refine_instructions_details in CIF ....          ?
PLAT007_ALERT_5_G Note: Number of Unrefined D-H Atoms ............          4      
PLAT164_ALERT_4_G Nr. of Refined C-H H-Atoms in Heavy-Atom Struct.          1      
PLAT764_ALERT_4_G Overcomplete CIF Bond List Detected (Rep/Expd) .       1.12 Ratio

   0 ALERT level A = Most likely a serious problem - resolve or explain
   0 ALERT level B = A potentially serious problem, consider carefully
  11 ALERT level C = Check. Ensure it is not caused by an omission or oversight
   5 ALERT level G = General information/check it is not something unexpected

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   7 ALERT type 2 Indicator that the structure model may be wrong or deficient
   3 ALERT type 3 Indicator that the structure quality may be low
   3 ALERT type 4 Improvement, methodology, query or suggestion
   3 ALERT type 5 Informative message, check

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